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Rossmanite

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George R. Rossman
Formula:
☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
System:
Trigonal
Colour:
Pale-pink to colorless.
Lustre:
Vitreous
Hardness:
7
Name:
Named after George R. Rossman (b. 1944), California Institute of Technology, Pasadena, California, USA, in recognition for his work on the spectroscopy of the tourmaline-group minerals (and many other mineral species).
Tourmaline Group.

Vacancy-dominant member; identification only possible with quantitative chemical analysis and/or crystal-structure refinement.

Visit gemdat.org for gemological information about Rossmanite.

Classification of Rossmanite

Approved
9.CK.05

9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
Dana 7th ed.:
61.3.1.3
mindat.org URL:
http://www.mindat.org/min-7275.html
Please feel free to link to this page.

First Recorded Occurrence of Rossmanite

Physical Properties of Rossmanite

Vitreous
Colour:
Pale-pink to colorless.
Streak:
White.
Hardness (Mohs):
7

Crystallography of Rossmanite

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Cell Parameters:
a = 15.802Å, c = 7.088Å
Ratio:
a:c = 1 : 0.449
Unit Cell Volume:
V 1,532.78 ų (Calculated from Unit Cell)
Z:
3
Comment:
Sample from Czech Republic has: a = 15.770(2), c = 7.085(1) Å.

Optical Data of Rossmanite

Type:
Uniaxial (-)
RI values:
nω = 1.645 nε = 1.624
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Rossmanite

Formula:
☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Essential elements:
All elements listed in formula:

Relationship of Rossmanite to other Species

Other Members of Group:
AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)
Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
Chromo-alumino-povondraiteNa(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3O
DarrellhenryiteNa(LiAl2)Al6(BO3)3Si6O18(OH)3O
DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Fluor-buergeriteNa(Fe33+)Al6(Si6O18)(BO3)3O3F
Fluor-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3F
Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Fluor-feruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3F
Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Fluor-schorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3F
Fluor-tsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3F
Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F
Foitite(□,Na)(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3OH
LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Luinaite-(OH)Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
MaruyamaiteK(MgAl2)(Al5Mg)(BO3)3(Si6O18)(OH)3O
OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
Oxy-chromium-draviteNa(Cr)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O
Oxy-draviteNa(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3O
Oxy-rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O
Oxy-schorlNa(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3O
Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3O
PovondraiteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
TsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
UM2000-64-SiO:BFeHKMgK, Mg, Fe, Si, B, O, H
Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Vanadio-oxy-chromium-draviteNa(V)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O
Vanadio-oxy-draviteNaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O
9.CK.Fluor-schorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3F
9.CK.05Fluor-buergeriteNa(Fe33+)Al6(Si6O18)(BO3)3O3F
9.CK.05Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
9.CK.05DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
9.CK.05Foitite(□,Na)(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3OH
9.CK.05LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
9.CK.05PovondraiteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
9.CK.05SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3O
9.CK.05Oxy-draviteNa(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3O
9.CK.05Oxy-rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O
9.CK.05Chromo-alumino-povondraiteNa(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3O
9.CK.05Fluor-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3F
9.CK.05Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F
9.CK.10Abenakiite-(Ce)Na26Ce6(Si6O18)(PO4)6(CO3)6(SO3)
9.CK.15ScawtiteCa7(Si3O9)2CO3 · 2H2O
9.CK.20Steenstrupine-(Ce)Na14Mn22+(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2 · 2H2O
9.CK.20ThorosteenstrupineCaMnThSi4O11(OH)F · 6H2O
61.3.1.1Foitite(□,Na)(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3OH
61.3.1.2Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.4LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.5UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
61.3.1.5Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F
61.3.1.6FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
61.3.1.7Fluor-buergeriteNa(Fe33+)Al6(Si6O18)(BO3)3O3F
61.3.1.8PovondraiteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
61.3.1.9OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
61.3.1.10ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.11DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.12SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.13Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
61.3.1.14Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3O

Other Names for Rossmanite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Rossmanite

Reference List:
Selway, J.B., Novák, M., Hawthorne, F.C., Cerny, P., Ottolini, L., and Kyser, T.K. (1998) Rossmanite, ◻(LiAl2)Al6(Si6O18)(BO3)3(OH)4, a new alkali-deficient tourmaline: Description and crystal structure. American Mineralogist 83, 896–900.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

http://minerals.gps.caltech.edu/rossmanite/Index.htm

Internet Links for Rossmanite

Localities for Rossmanite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Argentina
 
  • San Luis
    • Las Aguilas
Miguel Á. Galliski, María Florencia Márquez-Zavalía, Raúl Lira, Jan Cempírek and Radek Škoda (2012) Mineralogy and Origin of the Dumortierite-Bearing Pegmatites of Virorco, San Luis, Argentina. Canadian Mineralogist 50:873-894.
Brazil
 
  • Minas Gerais
    • Doce valley
      • Conselheiro Pena
Wilson, W E (2012) Famous Mimeral localities: The Jonas Mine, Itatiaia, Minas Gerais, Brazil. Mineralogical Record 43:289-317.
Canada
 
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
Can Min.38:877-891; Selway, J. B.; Cerny, P.; Hawthorne, F. C.; Novak, M. (2000): The Tanco pegmatite at Bernic lake, Manitoba. XIV. Internal tourmaline. Canadian Mineralogist 38, 877-891.
    • Red Cross Lake
Selway JB, Novák M, Cerný P, Hawthorne FC. (2000) Compositional evolution of tourmaline in lepidolite-subtype pegmatites. European Journal of Mineralogy, 11, 569-584.; Černý, O., Teertstra, D.K., Chapman, R., Selway, J.B., Hawthorne, F.C., Ferreira, K., Chackowsky, L.E., Wang, X.J. & and Meintzer, R.E. (2012); Černý, P., Teertstra, D. K., Chapman, R., Selway, J. B., Hawthorne, F. C., Ferreira, K., ... & Meintzer, R. E. (2012). Extreme Fractionation And Deformation Of The Leucogranite–Pegmatite Suite At Red Cross Lake, Manitoba, Canada. Iv. Mineralogy. The Canadian Mineralogist, 50(6), 1839-1875.
China
 
  • Xinjiang Autonomous Region
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Aletai Prefecture (Altay Prefecture)
        • Fuyun Co. (Koktokay Co.)
          • Koktokay pegmatite field (Keketuohai pegmatite field)
            • Altay Mine
Zhang AC, Wang Ru, Hu H, Chen XM (2004) Occurrences of foitite and rossmanite from the Koktokay No. 3 pegmatite dyke, Altai, Northwestern China: A record of hydrothermal fluids. Canadian Mineralogist, 42, 873-883.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • South Bohemia Region
      • Písek
Historic mineral collection National museum of Czech Republic
  • Moravia (Mähren; Maehren)
Selway J. B., Novák M., Cerný P., Hawthorne F. C., 1999, Compositional evolution of tourmaline in lepidolite-subtype pegmatites. European Journal of Mineralogy, 11:569-584.
    • Vysočina Region
      • Hrotovice
Bull. Minéral. , 1984, 107, pp. 369-384. / http://minerals.gps.caltech.edu/rossmanite/Czech_Republic_Radkovice/Radkovice-index.htm
      • Velké Meziříčí
Novák, M., Staněk, J.: Lepidolitový pegmatit od Dobré Vody u Velkého Meziříčí, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 3 - 44.
      • Žďár nad Sázavou
Am. Mineral. (1998) 83, 896–900
P. Pauliš (2001): Nejzajímavější naleziště Moravy a Slezska. Kuttna, Kutná Hora.
Germany
 
  • Saxony
    • Limbach-Oberfrohna
      • Pegmatite occurrences
A. Ertl, U. Kolitsch, H.-P. Meyer, T. Ludwig, C. L. Lengauer, L. Nasdala and E. Tillmanns (2009): Substitution mechanism in tourmalines of the “fluor-elbaite”-rossmanite series from Wolkenburg, Saxony, Germany. N. Jahrb. Mineral. Abh. 185, 51-61.
Italy
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
          • San Piero in Campo
Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
F. Pezzotta, A. Guastoni, C. Aurisicchio (1998) - La rossmanite di Roznà e dell'Elba. - Riv. Mineral. It., 22 2: 46-50.
          • Sant'Ilario in Campo
Riv. Mineral. Ital. 22(2):46-50 (1998)
Japan
 
  • Kyushu Region
    • Fukuoka Prefecture
Yohei Shirose, Seiichiro Uehara (2013) Li tourmaline from Nagatare, Fukuoka Prefecture, Japan. Journal of Mineralogical and Petrological Sciences Vol. 108 (2013) No. 4 August p. 238-243
Madagascar
 
  • Tuléar Province (Toliara)
    • Anosy Region (Fort Dauphin Region)
      • Amboasary District
        • Tranomaro Commune
http://www.minsocam.org/MSA/Special/Pig/PIG_articles/Anjahamiary.pdf/ Pezzotta, F.(2004): Der Pegmatit von Anjahamiary bei Fort Dauphin, Madagaskar. LAPIS 29 (2): 24-28
Mozambique
 
  • Zambezia Province
    • Alto Ligonha District
      • Muva
Yellow tourmaline from Muva, Simmons, W.B., Falster A.U. & Laurs, B.M. (2011): A survey of Mn-rich yellow tourmaline from worldwide localities and implications for the petrogenesis of granitic pegmatites. Canadian Mineralogist. 49: 301-319
Namibia
 
Giller BS (2003) An overview of tourmaline mineralogy from gem tourmaline producing pegmatite districts in Africa. Master of Science Thesis, University of New Orleans, LA.
Nigeria
 
  • Oyo State
Giller BS (2003) An overview of tourmaline mineralogy from gem tourmaline producing pegmatite districts in Africa. Master of Science Thesis, University of New Orleans, LA.
Norway
 
  • Nordland
    • Meløy
      • Holandsfjord
Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and Larsen, A. O. (2013): Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseet Skrift 50, 23-41.
Republic of Congo (Brazzaville)
Simmons W., Falster A. (2004) Gem Tourmaline from Congo. Gems & Gemology 40, 263-265.
Russia
 
  • Far-Eastern Region
    • Primorskiy Kray
http://minerals.gps.caltech.edu/rossmanite/Russia_Turgenevskoye/Russia_Turgenevskoye-Index.html
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Rezh District
          • Lipovka pegmatite field
Memetova L.R., Pekov I.V., Bryzgalov I.A., Kononkova N.N. (2005): Chemistry and zoning of tourmaline from the granitic pegmatites of the Lipovka, Middle Urals, Russia. (Abstract) Materials of 5th International Symposium “Mineralogical Museums”. Saint-Petersburg, Russia, pp. 151-153.
Sweden
 
  • Södermanland
    • Utö
      • Utö Mines
Selway, J. B.; Smeds, S.-A.; Černý, P.; Hawthorne, F. C. (2002): Compositional evolution of tourmaline in the petalite-subtype Nykopingsgruvan pegmatites, Utö, Stockholm Archipelago, Sweden. GFF 124, 93-102
Selway, J. B.; Smeds, S.-A.; Černý, P.; Hawthorne, F. C. (2002): Compositional evolution of tourmaline in the petalite-subtype Nyköpingsgruvan pegmatites, Utö, Stockholm Archipelago, Sweden. GFF 124, 93-102
Tanzania
 
  • Morogoro Region
Giller BS (2003) An overview of tourmaline mineralogy from gem tourmaline producing pegmatite districts in Africa. Master of Science Thesis, University of New Orleans, LA.
UK
 
  • England
    • Cornwall
      • St Austell District
        • St Stephen-in-Brannel
          • Whitemoor
Tindle, A.G. (2008) Minerals of Britain and Ireland. Terra Publishing, Hemel Hempstead, Hertfordshire. 624pp.
USA
 
  • Maine
    • Androscoggin Co.
      • Poland
Pedro-Pablo Gil-Crespo, Uxue Ostaikoetxea, Encarnación Roda-Robles, William Simmons, James Nizamoff (2012): Caracterización por XRD y Espectroscopía NIR de Turmalinas de la Serie Chorlo-Elbaita-Rossmanita de la Pegmatita de Berry-Havey (Maine, USA). Macla 16, p. 222-223.
    • Oxford Co.
      • Paris
http://minerals.gps.caltech.edu/rossmanite/USA_Maine_Mt_Mica/Mt-Mica-index.htm
      • Rumford
Dyar MD, Taylor ME, Lutz TM, Francis CA, Guidotti CV, Wise M (1998) Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy. American Mineralogist 83, 848-864. [samples 45 and 46, labeled olenite, are actually rossmanite].
  • New York
    • Essex Co.
Lupulescu, M. & Rakovan, J. (2008) The 35th Rochester Mineralogical Symposium, Contributed Papers in Specimen Mineralogy, 10.
Vietnam
 
  • Yenbai Province (Yen Bai Province)
    • Luc Yen
Min Rec 2007 38:453-457
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